Transportadora de Gas del Sur S (TGS) Stock Price & How to Invest
Last updated July 2026
Short answer
TGS is the NYSE-listed ADR of Transportadora de Gas del Sur S.A., the operator of Argentina's largest natural gas pipeline network and the country's biggest natural gas liquids processor at the General Cerri complex near Bahia Blanca. Each ADS represents ~5 Class B ordinary shares, the accounts are reported in Argentine pesos under inflation accounting, and the stock trades as a leveraged way to own Vaca Muerta midstream volume growth alongside Argentine country risk.
TGS stock price
As of 2026-08-07, Transportadora de Gas del Sur S (TGS) last closed at $28.79, up 1.4% over the past year. Over the past 52 weeks it has traded between $20.12 and $35.32.
Prices are daily closing prices from Yahoo Finance and may be delayed. For the live quote, check your broker or Transportadora de Gas del Sur S's investor relations page. Walnut is informational, not investment advice.
What does Transportadora de Gas del Sur S (TGS) do?
Transportadora de Gas del Sur runs roughly 9,200 km of high-pressure gas pipeline across southern and central Argentina, the largest transmission system in Latin America, moving gas from the Neuquen, San Jorge and Austral basins into Buenos Aires. Four segments carry the business: regulated Natural Gas Transportation, whose tariffs are set by the regulator ENARGAS; Liquids Production and Commercialization, which strips ethane, propane, butane and natural gasoline out of the gas stream at General Cerri and exports them through the Galvan port terminal; Midstream, the non-regulated conditioning, compression and gathering plants that serve Vaca Muerta producers at Tratayen, Rincon La Ceniza and Rio Neuquen; and a small Telecommunications arm, Telcosur. CIESA holds the Class A control block, itself co-controlled by Pampa Energia and the Sielecki family, so the free float sits in the Class B shares that back the ADR.
The investment picture is a regulated utility base with an export growth option bolted on. Q2 2026 revenue came in at ~Ps. 535.5 billion against ~Ps. 464.1 billion a year earlier, comprehensive income roughly doubled to ~Ps. 133.1 billion, and liquids EBITDA more than doubled on ~330,000 metric tons of sales volume plus firm international propane and butane prices. Both S&P and Moody's upgraded the credit in 2026 (S&P to B+, Moody's to B1), and the company took a final investment decision on a ~$3.0 billion integrated NGL project targeted to start up around March 2030. Against that, the reporting currency is a peso adjusted for inflation under IAS 29, tariffs are a political variable in Argentina, and the dollar capex commitment runs years ahead of the dollar cash flow it is meant to produce, which is most of the reason the ADR carries a ~13x trailing multiple while US midstream comparables trade in the low-to-mid twenties.
What's driving Transportadora de Gas del Sur S (TGS)?
1. The integrated NGL project
TGS reached FID in 2026 on a ~$3.0 billion build that adds a ~100 km segregation pipeline, an expansion of the Tratayen plant toward ~43 million cubic meters per day of processing, a multi-product pipeline down to Bahia Blanca, a fractionation plant sized near ~2.7 to 2.8 million metric tons per year of propane, butane and natural gasoline, storage, and a dedicated marine terminal. Management has guided to annual exports of roughly ~$1.2 billion once it runs, with over 90% of capacity already committed under commercial agreements and startup targeted for around March 2030. It is the single largest determinant of what TGS earns at the end of the decade, and also the largest call on capital between now and then.
2. Perito Moreno pipeline and tariff normalization
Argentina approved an expansion of the Perito Moreno gas pipeline, previously the Nestor Kirchner line, at roughly ~$500 million to ~$550 million, adding about ~12 million cubic meters per day of capacity and slated for service before the winter of 2027. TGS leads the work and moves the incremental Vaca Muerta gas it unlocks. Separately, the multi-year tariff review process restored real regulated tariffs after years in which they were effectively frozen through inflation, which is what turned the transportation segment back into a meaningful EBITDA contributor (~Ps. 132 billion in Q2 2026).
3. Liquids exports and the LPG corridor
The Cerri complex plus the Galvan terminal turn processed Vaca Muerta gas into cargoes of propane, butane and natural gasoline sold into international markets, including a growing LPG trade toward India and Asia. That segment is where the operating leverage sits: Q2 2026 liquids EBITDA more than doubled to ~Ps. 82.3 billion on higher volumes and stronger international pricing. The flip side is that the same segment marks to a Saudi contract price TGS does not control, so quarter-to-quarter results swing with a global commodity rather than with an Argentine tariff schedule.
4. Funding capacity and credit standing
TGS raised roughly ~$1 billion for its Vaca Muerta expansion program and earned 2026 upgrades from S&P (B to B+) and Moody's (B2 to B1), both of which sit above the ceiling that Argentine corporates historically faced. Access to international bond markets at tolerable coupons is a precondition for funding the NGL project without diluting equity or starving the dividend. Watch net-debt-to-EBITDA as capex ramps, because the project consumes cash for about four years before the fractionation plant and terminal earn anything.
What are the risks to Transportadora de Gas del Sur S (TGS)?
Country risk dominates: TGS earns most of its revenue in pesos under a government that sets its regulated tariffs, and a policy reversal or a renewed tariff freeze would compress the transportation segment the same way it did in the 2018 to 2023 stretch. Currency is the second layer, since the accounts are restated for inflation under IAS 29 while debt and the ~$3.0 billion capex program are dollar-denominated, so a sharp peso devaluation cuts both ways for an ADR holder. The liquids segment adds commodity exposure that the pipeline business does not have, and part of the 2026 earnings strength came from geopolitically driven propane and butane pricing that can fade. Execution risk on the NGL project is real and long-dated: a fractionation plant, a multi-product pipeline and a marine terminal all have to land on schedule for a 2030 startup, and the cash outflow arrives first. Finally, control sits with the CIESA block rather than with public holders, and Argentine capital controls have historically interfered with converting and remitting dividends.
What is the Transportadora de Gas del Sur S (TGS) forecast?
7 analysts publish price targets on TGS, averaging $41.29 against a $28.79 price as of August 2026, or +43.4%. The published targets run from $34.00 to $54.00, a moderate spread, and the ratings split 6 buy, 0 hold, 1 sell. A price target is what an analyst published on a date, not a prediction, and sell-side ratings skew positive across the whole market.
Read the full TGS forecast and price target for the target table, the recent rating actions by firm, and how the consensus has shifted.
Is TGS a buy or a sell?
We give no verdict on Transportadora de Gas del Sur S. Both cases are real, which is why the question is contested at all, so here is the strongest version of each.
The case for buying. The integrated NGL project. TGS reached FID in 2026 on a ~$3.0 billion build that adds a ~100 km segregation pipeline, an expansion of the Tratayen plant toward ~43 million cubic meters per day of processing, a multi-product pipeline down to Bahia Blanca, a fractionation plant sized near ~2.7 to 2.8 million metric tons per year of propane, butane and natural gasoline, storage, and a dedicated marine terminal. The most optimistic published target, $54.00, assumes this works close to its best case.
The case against. Country risk dominates: TGS earns most of its revenue in pesos under a government that sets its regulated tariffs, and a policy reversal or a renewed tariff freeze would compress the transportation segment the same way it did in the 2018 to 2023 stretch. The most pessimistic target, $34.00, is roughly what TGS is worth if this bites instead.
Read the full bull and bear case on TGS, including what would have to change to break either one. Walnut is not an investment adviser.
How is Transportadora de Gas del Sur S (TGS) valued? (approximate, August 2026)
A simple financial snapshot. These are approximations and refresh quarterly; for current figures see Transportadora de Gas del Sur S's investor relations page or your broker.
- Revenue (TTM): ~$1.25 billion
- Net income (TTM): ~$350 million
- Market cap: ~$4.6 billion
- P/E (TTM): ~13x
- ADS price and 52-week range: ~$28.79, range ~$19.74 to ~$36.35
- Announced growth capex: ~$3.0 billion NGL project plus ~$500 million Perito Moreno expansion
The reported financials are Argentine pesos restated for inflation, so peso figures such as Q2 2026 revenue of ~Ps. 535.5 billion and comprehensive income of ~Ps. 133.1 billion are not comparable across years without that adjustment, and the dollar figures above are conversions. The ~13x trailing multiple stands against a US and global midstream peer median closer to the low-to-mid twenties, a gap that has persisted for years and reflects Argentine sovereign and tariff risk rather than a defect in the assets. The most recent annual dividend was ~$0.93 per ADS, a trailing yield near ~3%, and the payout competes directly with a capex program that runs through 2030.
Who competes with Transportadora de Gas del Sur S (TGS)?
Argentine gas transport and midstream operators
Transportadora de Gas del Norte holds the other half of Argentina's regulated trunk transmission and serves the northern and central corridors, while Oldelval and VMOS (Vaca Muerta Oil Sur, backed by YPF, Vista, Pampa and Pan American) build the crude evacuation routes out of the same basin. Producers including YPF also develop their own conditioning and gathering capacity, which is the main competitive threat to the non-regulated Midstream segment.
Argentine energy equities investors weigh instead
US investors reaching for Vaca Muerta exposure usually compare TGS with YPF, Pampa Energia (which co-controls TGS through CIESA), Vista Energy, Central Puerto and Edenor. Those names carry the same sovereign discount but different mixes of commodity price exposure, regulated tariffs and drilling risk, so they tend to move together on Argentine political news and apart on operating results.
Global midstream benchmarks
Williams, Enterprise Products Partners, ONEOK, Targa Resources and Kinder Morgan are the developed-market yardsticks for a gas transport plus NGL fractionation business. They are the reference point that makes the TGS multiple look cheap on paper, and the honest comparison is that they operate under US regulation and in dollars, which is exactly the difference the discount is pricing.
What stocks are similar to Transportadora de Gas del Sur S (TGS)?
Other names that sit close to TGS: same theme, named as a direct competitor, or held beside it in the same funds. Each entry says which. Worth a look if you are thinking about diversification within a thesis rather than concentration on one ticker.
How to invest in Transportadora de Gas del Sur S (TGS)
There are three common ways to get TGS exposure. Buy shares (or fractional shares) directly at any major broker. Hold an ETF that includes it, which spreads the position across many companies. Or build it into a focused thematic portfolio, so TGS sits alongside other stocks that express the same thesis.
Walnut takes the portfolio route. Describe a thesis where TGS fits (for example “AI infrastructure” or “dividend-growth large-caps”) and the AI proposes 5 to 6 constituents with target weights. You review the plan and fund it through your own broker when you're ready.
New to this? Start with how to invest in stocks, see how to analyze a stock with AI, or compare the best AI stock analyzers.
The bottom line on Transportadora de Gas del Sur S (TGS)
TGS pairs a regulated pipeline monopoly and a cash-generating liquids business with a ~$3.0 billion export build-out, which is why it trades at a wide discount to US midstream peers rather than at their multiples.
More on Transportadora de Gas del Sur S (TGS)
Whether TGS is worth buying today depends more on your time horizon and what you already hold than on any single call. We walk through valuation, what would have to go right, and the risks in is TGS a buy or a sell?, and where the stock could go from here in the TGS stock forecast.
For income investors, whether TGS pays a dividend and how the payout looks is covered in does TGS pay a dividend? And to weigh TGS against a peer, read the full side-by-side comparisons: TGS vs VIST and TGS vs CEPU.
Wondering how TGS fits the portfolio you already own? Walnut is an AI investing app that connects your brokerage read-only and answers questions like that about your actual holdings: overlap, concentration, and how each position tracks the S&P 500. Compare the best AI portfolio analyzers or see the best AI investing apps in 2026.
Investing in Transportadora de Gas del Sur S with AI
Connect the broker you already use and ask Walnut's AI how TGS fits what you actually hold: whether you own it already through a fund, what it would do to your concentration, and how it has tracked the S&P 500. Read-only by default, and you approve anything before it reaches your broker.
FAQ
What is TGS?
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TGS is the NYSE ticker for the American Depositary Shares of Transportadora de Gas del Sur S.A., an Argentine company that operates roughly 9,200 km of natural gas pipeline, the largest transmission network in Latin America, plus the General Cerri natural gas liquids complex and the Galvan export terminal near Bahia Blanca.
What currency does TGS report in?
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Argentine pesos, restated for inflation under IAS 29 because Argentina qualifies as a hyperinflationary economy. That means headline peso growth rates are not the same as real growth, and dollar figures quoted by data providers are conversions rather than the company's reporting currency.
How does TGS make money?
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Four segments. Regulated Natural Gas Transportation earns tariffs set by ENARGAS, Liquids Production and Commercialization sells ethane, propane, butane and natural gasoline domestically and for export, Midstream provides non-regulated conditioning and compression for Vaca Muerta producers, and Telcosur sells telecom capacity along the pipeline right of way.
Does TGS pay a dividend?
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It has. TGS pays an annual dividend approved at its shareholder meeting rather than a quarterly one, with the most recent payment around ~$0.93 per ADS and a trailing yield near ~3%. The amount has varied with peso results and with capital needs, and the ~$3.0 billion NGL program is a direct competing claim on that cash.
What is the $3 billion NGL project?
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An integrated build approved in 2026 that adds a ~100 km segregation pipeline, expanded processing at the Tratayen plant, a multi-product pipeline to Bahia Blanca, a fractionation plant near ~2.7 million metric tons per year, storage and a marine terminal. Management targets startup around March 2030 and annual exports of roughly ~$1.2 billion, with most capacity already contracted.
What are the main risks in owning TGS?
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Argentine political and currency risk first, since regulated tariffs are set by the government and revenue is largely in pesos against dollar debt and dollar capex. Then commodity exposure in the liquids segment, execution and funding risk on a project that consumes cash until roughly 2030, and control concentrated in the CIESA block rather than with public ADR holders.
How do you invest in TGS from a US brokerage account?
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The ADR trades on the NYSE in dollars during US market hours and can be bought like any listed stock, with no foreign account needed. Argentine dividend withholding applies and ADR depositary fees are typically deducted from distributions. In Walnut, TGS can sit inside a theme alongside other Argentine energy or global midstream names, with target weights that reflect how much single-country exposure a portfolio is meant to carry.
Walnut is informational, not investment advice. Financial figures on this page are approximations; always verify current numbers with Transportadora de Gas del Sur S's investor relations page or your broker before making investment decisions.